Delete SkColorSpace::gammaNamed() from public API

src/core/SkColorSpace_Base.h

Index: src/core/SkColorSpace_Base.h
diff --git a/src/core/SkColorSpace_Base.h b/src/core/SkColorSpace_Base.h
index 5c36e441ea530dd3820d393ac21c9c38c496085b..31f96dd7f9dde6552acd430b04071c9ad7cd4eaa 100644
--- a/src/core/SkColorSpace_Base.h
+++ b/src/core/SkColorSpace_Base.h
@@ -12,6 +12,13 @@
 #include "SkData.h"
 #include "SkTemplates.h"
 
+enum SkGammaNamed : uint8_t {
+    kLinear_SkGammaNamed,
+    kSRGB_SkGammaNamed,
+    k2Dot2Curve_SkGammaNamed,
+    kNonStandard_SkGammaNamed,
+};
+
 struct SkGammas : SkRefCnt {
 
     // There are four possible representations for gamma curves.  kNone_Type is used
@@ -59,7 +66,7 @@ struct SkGammas : SkRefCnt {
                    this->fTable.fSize == that.fTable.fSize;
         }
 
-        SkColorSpace::GammaNamed fNamed;
+        SkGammaNamed             fNamed;
         float                    fValue;
         Table                    fTable;
         size_t                   fParamOffset;
@@ -176,6 +183,7 @@ public:
 
     static sk_sp<SkColorSpace> NewRGB(const float gammas[3], const SkMatrix44& toXYZD50);
 
+    SkGammaNamed gammaNamed() const { return fGammaNamed; }
     const SkGammas* gammas() const { return fGammas.get(); }
 
     const SkColorLookUpTable* colorLUT() const { return fColorLUT.get(); }
@@ -191,14 +199,15 @@ private:
      */
     sk_sp<SkData> writeToICC() const;
 
-    static sk_sp<SkColorSpace> NewRGB(GammaNamed gammaNamed, const SkMatrix44& toXYZD50);
+    static sk_sp<SkColorSpace> NewRGB(SkGammaNamed gammaNamed, const SkMatrix44& toXYZD50);
 
-    SkColorSpace_Base(GammaNamed gammaNamed, const SkMatrix44& toXYZ);
+    SkColorSpace_Base(SkGammaNamed gammaNamed, const SkMatrix44& toXYZ);
 
-    SkColorSpace_Base(sk_sp<SkColorLookUpTable> colorLUT, GammaNamed gammaNamed,
+    SkColorSpace_Base(sk_sp<SkColorLookUpTable> colorLUT, SkGammaNamed gammaNamed,
                       sk_sp<SkGammas> gammas, const SkMatrix44& toXYZ, sk_sp<SkData> profileData);
 
     sk_sp<SkColorLookUpTable> fColorLUT;
+    const SkGammaNamed        fGammaNamed;
     sk_sp<SkGammas>           fGammas;
     sk_sp<SkData>             fProfileData;